check fd > 0 before os.close()

gvalkov · gvalkov · commit 4131da5c3513 · 2013-12-13T15:16:51.000+01:00
diff --git a/evdev/device.py b/evdev/device.py
@@ -211,8 +211,9 @@ def __repr__(self):
         return '{}({!r})'.format(*msg)
 
     def close(self):
-        os.close(self.fd)
-        self.fd = -1
+        if self.fd > 0:
+            os.close(self.fd)
+            self.fd = -1
 
     def fileno(self):
         '''
